If you ever figure out why people do this or what their thinking is, let me know, but yeah this actually happens. I have a common name but a long and uncommon s

If you ever figure out why people do this or what their thinking is, let me know, but yeah this actually happens. I have a common name but a long and uncommon surname, and I have name.surname@gmail.com. This GP from New Zealand signs up for EVERYTHING under my gmail account. A handful of it spam, but mostly important stuff - notifications for financial transactions make up most of the mails I receive. I have called his offices repeatedly to try to discuss it with him, and even have a reasonable rapport with his secretary, but he never wants to take my calls. I really cannot figure out why he does it.